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lib/Audio/Metadata.pm  view on Meta::CPAN

sub get_var {
    ## Returns value of specified metadata variable.
    my $self = shift;
    my ($var) = @_;

    die 'Call to abstract method';
}


sub set_var {
    ## Sets specified metadata variable to given value. Value of 'undef' will prompt
    ## removal of the variable, if underlying format permits.
    my $self = shift;
    my ($var, $value) = @_;

    die 'Call to abstract method';
}


sub vars_as_hash {
    ## Returns metadata as hash reference.

lib/Audio/Metadata.pm  view on Meta::CPAN

=over

Returns value of specified metadata variable. 

=back

=head3 C<set_var($var, $value)>

=over

Sets specified metadata variable to given value. Value of 'undef' will prompt removal of the variable, if underlying format permits. 

=back

=head3 C<vars_as_hash()>

=over

Returns metadata as hash reference. 

=back